| PartNumber | VIPER53ESP-E | VIPER53ESPTR-E |
| Description | AC/DC Converters OFF line Primary Swtch | AC/DC Converters Primary Switch |
| Manufacturer | STMicroelectronics | STMicroelectronics |
| Product Category | AC/DC Converters | AC/DC Converters |
| RoHS | Y | Y |
| Mounting Style | SMD/SMT | SMD/SMT |
| Package / Case | PowerSO-10 | PowerSO-10 |
| Output Power | 40 W | 40 W |
| Input / Supply Voltage Min | 9.3 V | 9.3 V |
| Input / Supply Voltage Max | 17 V | 17 V |
| Topology | Flyback | Flyback |
| Switching Frequency | 300 kHz | 300 kHz |
| Operating Supply Current | 9 mA | 9 mA |
| Minimum Operating Temperature | - 40 C | - 40 C |
| Maximum Operating Temperature | + 150 C | + 150 C |
| Output Current | 2.3 A | 2.3 A |
| Series | VIPER53E-E | VIPER53E-E |
| Packaging | Tube | Reel |
| Isolation | Isolated | Isolated |
| Number of Outputs | 1 Output | 1 Output |
| Type | Off Line Converter | Off Line Converter |
| Brand | STMicroelectronics | STMicroelectronics |
| Moisture Sensitive | Yes | Yes |
| Product Type | AC/DC Converters | AC/DC Converters |
| Factory Pack Quantity | 200 | 600 |
| Subcategory | PMIC - Power Management ICs | PMIC - Power Management ICs |
| Unit Weight | 1.036 lbs | 0.070548 oz |